US8019283B2 - Automatic data encryption and access control based on Bluetooth device proximity - Google Patents
Automatic data encryption and access control based on Bluetooth device proximity Download PDFInfo
- Publication number
- US8019283B2 US8019283B2 US12/835,529 US83552910A US8019283B2 US 8019283 B2 US8019283 B2 US 8019283B2 US 83552910 A US83552910 A US 83552910A US 8019283 B2 US8019283 B2 US 8019283B2
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- 239000011800 void material Substances 0.000 description 10
- 238000004590 computer program Methods 0.000 description 5
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- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0492—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload by using a location-limited connection, e.g. near-field communication or limited proximity of entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/126—Applying verification of the received information the source of the received data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2129—Authenticate client device independently of the user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/80—Wireless
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/60—Context-dependent security
- H04W12/63—Location-dependent; Proximity-dependent
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
Description
// BlueMemoCEDlg.cpp : implementation file |
// |
#include “stdafx.h” |
#include “BlueMemoCE.h” |
#include “BlueMemoCEDlg.h” |
#ifdef _DEBUG |
#define new DEBUG_NEW |
#undef THIS_FILE |
static char THIS_FILE[ ] = _FILE_; |
#endif |
#define TIMER_SCAN 4711 |
HWND gm_hDialog; |
///////////////////////////////////////////////////////////////////////////// |
// CBlueMemoCEDlg dialog |
CBlueMemoCEDlg::CBlueMemoCEDlg(CWnd* pParent /*=NULL*/) |
: CDialog(CBlueMemoCEDlg::IDD, pParent) |
{ |
//{{AFX_DATA_INIT(CBlueMemoCEDlg) |
//}}AFX_DATA_INIT |
m_hIcon = AfxGetApp( )->LoadIcon(IDR_MAINFRAME); |
m_pWBtAPI = NULL; |
m_bDeviceFound = FALSE; |
m_bMemoEncrypted = FALSE; |
} |
CBlueMemoCEDlg::~CBlueMemoCEDlg( ) |
{ |
delete m_pWBtAPI; |
m_pWBtAPI = NULL; |
} |
void CBlueMemoCEDlg::DoDataExchange(CDataExchange* pDX) |
{ |
CDialog::DoDataExchange(pDX); |
//{{AFX_DATA_MAP(CBlueMemoCEDlg) |
DDX_Control(pDX, IDC_MEMO, m_cMemo); |
//}}AFX_DATA_MAP |
} |
BEGIN_MESSAGE_MAP(CBlueMemoCEDlg, CDialog) |
//{{AFX_MSG_MAP(CBlueMemoCEDlg) |
ON_WM_TIMER( ) |
ON_REGISTERED_MESSAGE(WIDCOMM_WM_DISCOVERYEVENT, OnDiscoveryEventMsg) |
ON_REGISTERED_MESSAGE(WIDCOMM_WM_DEVICELOST, OnDeviceLost) |
//}}AFX_MSG_MAP |
END_MESSAGE_MAP( ) |
///////////////////////////////////////////////////////////////////////////// |
// CBlueMemoCEDlg message handlers |
BOOL CBlueMemoCEDlg::OnInitDialog( ) |
{ |
CDialog::OnInitDialog( ); |
SetIcon(m_hIcon, TRUE); | // Set big icon |
SetIcon(m_hIcon, FALSE); | // Set small icon |
CenterWindow(GetDesktopWindow( )); | // center to the hpc screen |
gm_hDialog = this->GetSafeHwnd( ); |
m_bDeviceFound = TRUE; |
SetMemoState( ); |
SetTimer( TIMER_SCAN, 50, NULL ); |
return TRUE; |
} |
void CBlueMemoCEDlg::OnTimer(UINT nIDEvent) |
{ |
switch ( nIDEvent ) |
{ |
case TIMER_SCAN: |
ScanForDevice( ); |
break; |
default: |
break; |
} |
CDialog::OnTimer(nIDEvent); |
} |
BOOL CBlueMemoCEDlg::InitBluetooth( ) |
{ |
BOOL bRet = TRUE; |
if ( NULL == m_pWBtAPI ) |
{ |
WBtRc rc = WBT_ERROR; |
m_pWBtAPI = new CWBtAPI; |
rc = m_pWBtAPI->ConnectToServer( ); |
bRet = (rc == WBT_SUCCESS); |
if ( bRet ) |
{ |
m_pWBtAPI->SetOnDiscoveryEventCallback( cbDiscoveryEvent, |
this ); |
m_pWBtAPI->SetOnDeviceLostCallback( cbDeviceLost, this ); |
} |
} |
return bRet; |
} |
void CBlueMemoCEDlg::ScanForDevice( ) |
{ |
KillTimer( TIMER_SCAN ); |
if ( !InitBluetooth( ) ) |
{ |
m_bDeviceFound = FALSE; |
SetMemoState( ); |
SetTimer( TIMER_SCAN, 3000, NULL ); |
return; |
} |
// Hard coded device address for now. This should be |
// selected from the paired devices list by the user. |
BD_ADDR bda = { 0x00, 0x0A, 0xD9, 0x5D, 0x26, 0x45 }; |
GUID guid; |
static const GUID sBTBaseGUID = {0, 0, 0x1000, 0x80, 0x00, 0x00, 0x80, |
0x5F, 0x9B, 0x34, 0xFB}; |
memcpy (&guid, &sBTBaseGUID, sizeof (GUID)); |
guid.Data1 = 0x1101; |
WBtRc rc = m_pWBtAPI->GapStartServiceDiscovery( bda, guid, TRUE ); |
if ( rc != WBT_SUCCESS ) |
{ |
AfxMessageBox(_T(“Unable to start service discovery!”)); |
} |
} |
void CBlueMemoCEDlg::cbDiscoveryEvent( void *pUserData, BD_ADDR bda, UINT16 |
nRecs, long lResultCode ) |
{ |
class CDiscoveryEventPackage *pPackage = new CDiscoveryEventPackage; |
pPackage->m_pItemData = pUserData; |
memcpy(pPackage->m_bda,bda,sizeof(BD_ADDR)); |
pPackage->m_nRecs | = nRecs; |
pPackage->m_lReturnCode | = lResultCode; |
::PostMessage( gm_hDialog, WIDCOMM_WM_DISCOVERYEVENT, 0, (LPARAM)pPackage |
}; |
} |
void CBlueMemoCEDlg::cbDeviceLost( void *pUserData, BD_ADDR bda ) |
{ |
BD_ADDR dev_bda = { 0x00, 0x0A, 0xD9, 0x5D, 0x26, 0x45 }; |
::PostMessage( gm_hDialog, WIDCOMM_WM_DEVICELOST, 0, 0 ); |
} |
LRESULT CBlueMemoCEDlg::OnDiscoveryEventMsg( WPARAM wParam, LPARAM lParam ) |
{ |
CDiscoveryEventPackage *pPackage = (CDiscoveryEventPackage *)lParam; |
if ( pPackage && pPackage->m_nRecs ) |
{ |
m_bDeviceFound = TRUE; |
} else { |
m_bDeviceFound = FALSE; |
SetTimer( TIMER_SCAN, 3000, NULL ); |
} |
SetMemoState( ); |
return 0; |
} |
LRESULT CBlueMemoCEDlg::OnDeviceLost( WPARAM wParam, LPARAM lParam ) |
{ |
SetTimer( TIMER_SCAN, 3000, NULL ); |
SetMemoState( ); |
return 0; |
} |
inline BYTE GetHexDigit(TCHAR c) |
{ |
return (_istalpha(c)) ? (10 + toupper(c) − _T(‘A’)) : (c − _T(‘0’)); |
} |
void CBlueMemoCEDlg::SetMemoState( ) |
{ |
CString szMemo; |
m_cMemo.GetWindowText( szMemo ); |
if ( szMemo.GetLength( ) == 0 ) |
{ |
szMemo = _T(“Top secret memo! Top secret memo! Top secret memo! |
Top secret memo! Top secret memo!”); |
m_cMemo.SetWindowText( szMemo ); |
} |
if( m_bDeviceFound && m_bMemoEncrypted ) |
{ |
Decrypt( ); |
m_bMemoEncrypted = FALSE; |
} |
if( !m_bDeviceFound && !m_bMemoEncrypted ) |
{ |
Encrypt( ); |
m_bMemoEncrypted = TRUE; |
} |
} |
void CBlueMemoCEDlg::Encrypt( ) |
{ |
CString szMemo; |
m_cMemo.GetWindowText( szMemo ); |
if ( szMemo.GetLength( ) > 0 ) |
{ |
INT i, j; |
CString szHex = _T(“”), szTmp = _T(“”); |
TCHAR szBuffer[ 10 ]; |
m_cMemo.EnableWindow( FALSE ); |
for( i=0; i<szMemo.GetLength( ); i++ ) |
{ |
TCHAR tch = (TCHAR)szMemo[i]; |
CHAR *ch = (char*) &tch; |
for( j=0; j<sizeof( TCHAR ); j++ ) |
{ |
ZeroMemory( szBuffer, sizeof( szBuffer )); |
_stprintf( szBuffer, _T(“%02X”), ch[j] ); |
szHex += szBuffer; |
} |
szTmp = szHex + szMemo.Right( szMemo.GetLength( ) − i − 1); |
} |
m_cMemo.SetWindowText( szTmp ); |
} |
} |
void CBlueMemoCEDlg::Decrypt( ) |
{ |
CString szMemo; |
m_cMemo.GetWindowText( szMemo ); |
if ( szMemo.GetLength( ) > 0 ) |
{ |
INT i=0, j=0; |
CString szPlain = _T(“”), szTmp = _T(“”); |
m_cMemo.EnableWindow( TRUE ); |
i = szMemo.GetLength( ); |
while( i ) |
{ |
TCHAR tch; |
CHAR *ch = (char*)&tch; |
INT k = i−4; |
for ( j=0; j<sizeof(TCHAR); j++ ) |
{ |
ch[ j ] = GetHexDigit( szMemo[k++] ) * 16 + |
GetHexDigit( szMemo[k++] ); |
} |
i −= sizeof( TCHAR ) * 2; |
szPlain = tch + szPlain; |
szTmp = szMemo.Left( i ) + szPlain; |
} |
m_cMemo.SetWindowText( szTmp ); |
} |
} |
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/835,529 US8019283B2 (en) | 2005-03-07 | 2010-07-13 | Automatic data encryption and access control based on Bluetooth device proximity |
US13/215,957 US8165525B2 (en) | 2005-03-07 | 2011-08-23 | Automatic data encryption and access control based on bluetooth device proximity |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/074,271 US7463861B2 (en) | 2005-03-07 | 2005-03-07 | Automatic data encryption and access control based on bluetooth device proximity |
US12/330,998 US7756478B2 (en) | 2005-03-07 | 2008-12-09 | Automatic data encryption and access control based on bluetooth device proximity |
US12/835,529 US8019283B2 (en) | 2005-03-07 | 2010-07-13 | Automatic data encryption and access control based on Bluetooth device proximity |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/330,998 Continuation US7756478B2 (en) | 2005-03-07 | 2008-12-09 | Automatic data encryption and access control based on bluetooth device proximity |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/215,957 Continuation US8165525B2 (en) | 2005-03-07 | 2011-08-23 | Automatic data encryption and access control based on bluetooth device proximity |
Publications (2)
Publication Number | Publication Date |
---|---|
US20110007900A1 US20110007900A1 (en) | 2011-01-13 |
US8019283B2 true US8019283B2 (en) | 2011-09-13 |
Family
ID=36499491
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/074,271 Active 2026-11-04 US7463861B2 (en) | 2005-03-07 | 2005-03-07 | Automatic data encryption and access control based on bluetooth device proximity |
US12/330,998 Active US7756478B2 (en) | 2005-03-07 | 2008-12-09 | Automatic data encryption and access control based on bluetooth device proximity |
US12/835,529 Expired - Fee Related US8019283B2 (en) | 2005-03-07 | 2010-07-13 | Automatic data encryption and access control based on Bluetooth device proximity |
US13/215,957 Active US8165525B2 (en) | 2005-03-07 | 2011-08-23 | Automatic data encryption and access control based on bluetooth device proximity |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/074,271 Active 2026-11-04 US7463861B2 (en) | 2005-03-07 | 2005-03-07 | Automatic data encryption and access control based on bluetooth device proximity |
US12/330,998 Active US7756478B2 (en) | 2005-03-07 | 2008-12-09 | Automatic data encryption and access control based on bluetooth device proximity |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/215,957 Active US8165525B2 (en) | 2005-03-07 | 2011-08-23 | Automatic data encryption and access control based on bluetooth device proximity |
Country Status (5)
Country | Link |
---|---|
US (4) | US7463861B2 (en) |
EP (1) | EP1701566B1 (en) |
CN (1) | CN100458810C (en) |
DE (1) | DE602005026774D1 (en) |
TW (1) | TWI347767B (en) |
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US20110305340A1 (en) * | 2005-03-07 | 2011-12-15 | Broadcom Corporation | Automatic data encryption and access control based on bluetooth device proximity |
US20120171959A1 (en) * | 2010-12-29 | 2012-07-05 | Deutron Electronics Corp. | Storage device |
US8627433B2 (en) | 2011-09-30 | 2014-01-07 | GM Global Technology Operations LLC | System and method for authenticating a request for access to a secured device |
US9044543B2 (en) | 2012-07-17 | 2015-06-02 | Elwha Llc | Unmanned device utilization methods and systems |
US9061102B2 (en) | 2012-07-17 | 2015-06-23 | Elwha Llc | Unmanned device interaction methods and systems |
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US7925212B2 (en) * | 2005-03-07 | 2011-04-12 | Broadcom Corporation | Automatic network and device configuration for handheld devices based on bluetooth device proximity |
US7424267B2 (en) * | 2005-03-07 | 2008-09-09 | Broadcom Corporation | Automatic resource availability using Bluetooth |
US7480521B2 (en) * | 2005-09-15 | 2009-01-20 | Research In Motion Limited | Methods and apparatus for reducing power consumption during network scanning operations with adverse battery conditions |
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US9202509B2 (en) | 2006-09-12 | 2015-12-01 | Sonos, Inc. | Controlling and grouping in a multi-zone media system |
US8483853B1 (en) | 2006-09-12 | 2013-07-09 | Sonos, Inc. | Controlling and manipulating groupings in a multi-zone media system |
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US20090093215A1 (en) | 2009-04-09 |
EP1701566B1 (en) | 2011-03-09 |
US20110007900A1 (en) | 2011-01-13 |
EP1701566A1 (en) | 2006-09-13 |
TWI347767B (en) | 2011-08-21 |
CN1831835A (en) | 2006-09-13 |
DE602005026774D1 (en) | 2011-04-21 |
TW200701725A (en) | 2007-01-01 |
CN100458810C (en) | 2009-02-04 |
US20060199538A1 (en) | 2006-09-07 |
US8165525B2 (en) | 2012-04-24 |
US20110305340A1 (en) | 2011-12-15 |
US7756478B2 (en) | 2010-07-13 |
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